Indonesia: The World's Fourth Most Populous Nation
With over 278 million people (2024 estimate), Indonesia ranks 4th globally in population—behind only India, China, and the United States.
Key Demographics
- Population: 278+ million (2024)
- Growth rate: ~0.9% annually (slowing)
- Median age: ~29 years (young workforce)
- Density: 145/km² (but highly concentrated on Java: 1,100/km²)
- Urbanization: ~58% (Jakarta metro: 35M+)
Geographic Context
- 17,000+ islands; 6,000 inhabited
- Java (56% of population on 7% of land)
- Major ethnic groups: Javanese (40%), Sundanese (15%), Malay, Batak, Madurese, Betawi, Minangkabau, Bugis, etc.
- Official language: Indonesian (Bahasa Indonesia)—unifying lingua franca
Global Significance
- Largest Muslim-majority country (~230M)
- 10th largest economy (PPP); G20 member
- Critical for Southeast Asian stability, climate (forests, peatlands), trade (Strait of Malacca)
Indonesia's demographic scale—combined with its strategic location and resource wealth—makes it a defining nation of the 21st century.